78578500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:207

約数の個数: 192

約数和(自身を含む): 231888384

約数和(自身を除く): 153309884

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 25, 26, 28, 35, 44, 50, 52, 55, 65, 70, 77, 91, 100, 110, 125, 130, 140, 143, 154, 157, 175, 182, 220, 250, 260, 275, 286, 308, 314, 325, 350, 364, 385, 455, 500, 550, 572, 628, 650, 700, 715, 770, 785, 875, 910, 1001, 1099, 1100, 1300, 1375, 1430, 1540, 1570, 1625, 1727, 1750, 1820, 1925, 2002, 2041, 2198, 2275, 2750, 2860, 3140, 3250, 3454, 3500, 3575, 3850, 3925, 4004, 4082, 4396, 4550, 5005, 5495, 5500, 6500, 6908, 7150, 7700, 7850, 8164, 8635, 9100, 9625, 10010, 10205, 10990, 11375, 12089, 14287, 14300, 15700, 17270, 17875, 19250, 19625, 20020, 20410, 21980, 22451, 22750, 24178, 25025, 27475, 28574, 34540, 35750, 38500, 39250, 40820, 43175, 44902, 45500, 48356, 50050, 51025, 54950, 57148, 60445, 71435, 71500, 78500, 86350, 89804, 100100, 102050, 109900, 112255, 120890, 125125, 137375, 142870, 157157, 172700, 204100, 215875, 224510, 241780, 250250, 255125, 274750, 285740, 302225, 314314, 357175, 431750, 449020, 500500, 510250, 549500, 561275, 604450, 628628, 714350, 785785, 863500, 1020500, 1122550, 1208900, 1428700, 1511125, 1571570, 1785875, 2245100, 2806375, 3022250, 3143140, 3571750, 3928925, 5612750, 6044500, 7143500, 7857850, 11225500, 15715700, 19644625, 39289250, 78578500]

約数ペア:

[(1, 78578500), (2, 39289250), (4, 19644625), (5, 15715700), (7, 11225500), (10, 7857850), (11, 7143500), (13, 6044500), (14, 5612750), (20, 3928925), (22, 3571750), (25, 3143140), (26, 3022250), (28, 2806375), (35, 2245100), (44, 1785875), (50, 1571570), (52, 1511125), (55, 1428700), (65, 1208900), (70, 1122550), (77, 1020500), (91, 863500), (100, 785785), (110, 714350), (125, 628628), (130, 604450), (140, 561275), (143, 549500), (154, 510250), (157, 500500), (175, 449020), (182, 431750), (220, 357175), (250, 314314), (260, 302225), (275, 285740), (286, 274750), (308, 255125), (314, 250250), (325, 241780), (350, 224510), (364, 215875), (385, 204100), (455, 172700), (500, 157157), (550, 142870), (572, 137375), (628, 125125), (650, 120890), (700, 112255), (715, 109900), (770, 102050), (785, 100100), (875, 89804), (910, 86350), (1001, 78500), (1099, 71500), (1100, 71435), (1300, 60445), (1375, 57148), (1430, 54950), (1540, 51025), (1570, 50050), (1625, 48356), (1727, 45500), (1750, 44902), (1820, 43175), (1925, 40820), (2002, 39250), (2041, 38500), (2198, 35750), (2275, 34540), (2750, 28574), (2860, 27475), (3140, 25025), (3250, 24178), (3454, 22750), (3500, 22451), (3575, 21980), (3850, 20410), (3925, 20020), (4004, 19625), (4082, 19250), (4396, 17875), (4550, 17270), (5005, 15700), (5495, 14300), (5500, 14287), (6500, 12089), (6908, 11375), (7150, 10990), (7700, 10205), (7850, 10010), (8164, 9625), (8635, 9100)]